CPU
GPU
Xeon E3-1240L v5
FX-8120
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Xeon E3-1240L v5 is positioned at rank 440 and the FX-8120 is on rank 567, so the Xeon E3-1240L v5 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1240L v5
Performance Per Dollar FX-8120
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1240L v5 | FX-8120 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Skylake-DT (2015) / 14 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E3-1240L v5 | FX-8120 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Counter-Strike 2
Valorant
Technical Specifications
Side-by-side comparison of Xeon E3-1240L v5 and FX-8120
Xeon E3-1240L v5
The Xeon E3-1240L v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-DT (2015) architecture. It features 4 cores and 8 threads. Base frequency is 2.1 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 25 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 6,547 points. Launch price was $278.
FX-8120
The FX-8120 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4 GHz. L3 cache: 8192 kB. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,594 points. Launch price was $149.
Processing Power
The Xeon E3-1240L v5 packs 4 cores / 8 threads, while the FX-8120 offers 8 cores / 8 threads — the FX-8120 has 4 more cores. Boost clocks reach 3.2 GHz on the Xeon E3-1240L v5 versus 4 GHz on the FX-8120 — a 22.2% clock advantage for the FX-8120 (base: 2.1 GHz vs 3.1 GHz). The Xeon E3-1240L v5 uses the Skylake-DT (2015) architecture (14 nm), while the FX-8120 uses Zambezi (2011−2012) (32 nm). In PassMark, the Xeon E3-1240L v5 scores 6,547 against the FX-8120's 6,594 — a 0.7% lead for the FX-8120. L3 cache: 8 MB (total) on the Xeon E3-1240L v5 vs 8192 kB on the FX-8120.
| Feature | Xeon E3-1240L v5 | FX-8120 |
|---|---|---|
| Cores / Threads | 4 / 8 | 8 / 8+100% |
| Boost Clock | 3.2 GHz | 4 GHz+25% |
| Base Clock | 2.1 GHz | 3.1 GHz+48% |
| L3 Cache | 8 MB (total) | 8192 kB |
| L2 Cache | 256 kB (per core) | 8192 kB+3100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake-DT (2015) | Zambezi (2011−2012) |
| PassMark | 6,547 | 6,594 |
Memory & Platform
The Xeon E3-1240L v5 uses the LGA1151 socket (PCIe 3.0), while the FX-8120 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1240L v5 | FX-8120 |
|---|---|---|
| Socket | LGA1151 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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